The LunAir Guide

How to photograph a plane crossing the moon.

A practical guide to the geometry, gear, and patience required to capture one of aviation photography’s most coveted shots — including how to do it on the smartphone in your pocket.

Chapter 01When the magic actually happens

The moon overhead is your best friend

A common myth in moon photography is that the moon is “biggest” when it’s near the horizon. Actually it’s the opposite — the moon’s apparent size is constant, but our brain plays tricks on us when we see it next to trees and buildings on the horizon.

What does matter is atmospheric distortion. When the moon is low, you’re looking through far more atmosphere, which causes:

The cleaner shots happen when the moon is between 30° and 70° above the horizon. This is LunAir’s golden zone — high enough to be sharp, low enough that you don’t break your neck looking up.

Aircraft proximity is everything

The single biggest variable in how dramatic your photo looks is how close the aircraft is to you.

LunAir tells you the aircraft’s altitude and viewing angle. Prioritize alerts where the aircraft is closest to overhead. The plane will appear larger, sharper, and more detailed against the lunar disk. Wing details, engines, even windows become visible with enough focal length.

The sweet spot

The shot every aviation photographer dreams of is one where the aircraft is:

If you live within 30 km of a major airport, you have a serious advantage. Approaching aircraft on final descent (3,000 m and dropping) appear dramatically larger than overflying cruise traffic.

Chapter 02Camera setup

The gear basics

You don’t need professional gear. You do need focal length — the moon is small in the sky.

Minimum useful setup:

Ideal setup:

Exposure — start here

Moon photography breaks one big rule: the moon is bright, even at night. It’s sunlit rock. You’re shooting a daytime subject against a dark sky.

Starting Point · Full Moon · Clear Sky
Aperture
f/8
Shutter speed
1/1000s or faster
ISO
200–400
Focus
Manual, set to infinity
White balance
Daylight / 5500K

For partial moon (crescent, gibbous): increase ISO to 400–800, or open aperture to f/5.6. The unlit portion of the moon is much darker — exposure compensation often helps.

Insider Rule

The “Looney 11” rule is the moon equivalent of Sunny 16: aperture f/11, shutter 1/ISO, ISO 100 gives a correct exposure for the full moon. Use it as a starting point, then adjust based on the preview.

Critical: shoot in burst mode

Aircraft transits last less than a second from your viewpoint. The aircraft is doing 200–300 m/s relative to your line of sight. By the time you see the transit happen and react, it’s already over.

The strategy:

  1. Frame the moon centered, dialled in sharp focus
  2. Wait until the LunAir alert says “transit in 30 seconds”
  3. Start a continuous burst (10 fps or faster) about 5 seconds before predicted transit
  4. Hold the shutter through the entire transit
  5. Stop after about 10 seconds of bursting

You’ll get 80–150 frames. One or two will have the aircraft in the perfect position. Most won’t — that’s expected, and it’s how this is supposed to work.

Chapter 03Yes, your smartphone works

This is the part nobody talks about: modern smartphones with telephoto lenses can absolutely capture moon transits. Not at professional quality, but at “this is genuinely a great photo to post on Instagram” quality.

Which phones work

If your phone has only a single wide-angle camera, you’ll get a tiny moon and a near-invisible aircraft. Skip the attempt and just enjoy watching the transit.

Smartphone setup

  1. Lock exposure on the moon. Long-press on the moon in the viewfinder until “AE/AF Lock” appears. This prevents the camera from blowing out the moon’s surface.
  2. Drag the exposure slider down by 1–2 stops. The moon should look correctly exposed (you can see craters), and the sky should be dark.
  3. Use a tripod or steady surface. Even a stack of books on a railing works. Hand-holding at telephoto means motion blur.
  4. Use burst mode. Hold the shutter button (iPhone: hold then swipe left; Android: similar) for continuous shooting through the transit.
  5. Shoot in RAW if available. iPhone Pro models support ProRAW; Samsung has Expert RAW. You’ll get significantly more editing latitude.

Smartphone tips that matter

A smartphone won’t match a 600mm lens on a full-frame camera. But it’s enough to capture the moment, share the experience, and prove the alert worked. For many people that’s exactly the point.

Chapter 04The details that matter

Composition

The moon doesn’t have to be perfectly centered. Some of the best moon transit photos place the moon off-center using the rule of thirds, with the aircraft entering or exiting the frame. Crop afterwards if needed — that’s what RAW files are for.

Atmospheric quality

Check the conditions before you set up:

The hardest part: don’t panic

When the alert fires and the transit is approaching, the temptation is to chimp the camera display, check exposure, adjust focus. Don’t.

Trust your settings. Start the burst early. Hold it through. Most missed shots aren’t because the gear failed — they’re because the photographer over-thought it in the last 30 seconds.

After the shot

Inspect your burst frame-by-frame. The transit happens in 1–3 frames out of 100. Look for:

Even “near miss” frames make great photos. Don’t dismiss them.

Chapter 05The real secret

Most aviation photographers who get spectacular moon transit shots aren’t more skilled than you. They’re just more patient, and they trust their tools.

You’ll set up for a transit and the aircraft will pass 5° below the moon. You’ll get an alert and clouds will roll in. You’ll nail focus and exposure and discover your tripod head was loose.

Every shot in your portfolio is a survivor of twenty failed attempts.

This is normal. The first time you actually catch one cleanly is genuinely magical — and worth every miss before it.

Clear skies.

Get an alert the moment a transit is about to happen at your exact location.

Open LunAir